F.151 Data Sheet MJS-p-0108

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K&E, 4041, c.1910

Serial Number or Date Stamp:

Country: USA

Primary construction material: wd

Case included?: yes

General Description: Basic linear Mannheim slide rule

Length of 1 decade = 10 in, and overall scale length = 10 in. The largest physical dimension is 10 in.

Front Scales: in /| A [ B C ] D || cm < cm >

Back Scales: [ S L T ]

Notes: Mannheim; early 4041, prod mark 408 on end, owner F.L.Clark, leather case

References: http://www.mccoys-kecatalogs.com/KEModels/ke4041family.htm

Date Acquired: 08/01/2020